<template>
    <div :class="className" :style="{height:height,width:width}" />
</template>

<script>
    import resize from '../../mixins/resize'
    require('echarts/theme/macarons');

    export default {
        name: "PieChart",
        mixins: [resize],
        props: {
            className: {
                type: String,
                default: 'chart'
            },
            width: {
                type: String,
                default: '100%'
            },
            height: {
                type: String,
                default: '300px'
            }
        },
        data() {
            return {
                chart: null
            }
        },
        mounted() {
            this.$nextTick(() => {
                this.initChart()
            })
        },
        beforeDestroy() {
            if (!this.chart) {
                return
            }
            this.chart.dispose()
            this.chart = null
        },
        methods: {
            initChart() {
                this.chart = this.$echarts.init(this.$el, 'macarons')

                this.chart.setOption({
                    tooltip: {
                        trigger: 'item',
                        formatter: '{a} <br/>{b} : {c} ({d}%)'
                    },
                    legend: {
                        left: 'center',
                        bottom: '10',
                        data: ['Industries', 'Technology', 'Forex', 'Gold', 'Forecasts']
                    },
                    series: [
                        {
                            name: 'WEEKLY WRITE ARTICLES',
                            type: 'pie',
                            roseType: 'radius',
                            radius: [15, 95],
                            center: ['50%', '38%'],
                            data: [
                                { value: 320, name: 'Industries' },
                                { value: 240, name: 'Technology' },
                                { value: 149, name: 'Forex' },
                                { value: 100, name: 'Gold' },
                                { value: 59, name: 'Forecasts' }
                            ],
                            animationEasing: 'cubicInOut',
                            animationDuration: 2600
                        }
                    ]
                })
            }
        }
    }
</script>

<style scoped lang="less" type="text/less">

</style>
